YI

Yoshiaki Iwaya

OC Osaka Gas Co.: 1 patents #2 of 39Top 6%
UN Unitika: 1 patents #10 of 50Top 20%
Overall (1997): #56,262 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5648027 Porous carbonaceous material and a method for producing the same Hiroyuki Tajiri, Yoshiteru Nakagawa, Yoshiharu Tanaka, Keiichi Asami, Katsuyuki Touma +1 more 1997-07-15